CN213982333U - Internal reinforced compression-resistant sewer pipeline - Google Patents

Abstract

The utility model discloses an internally reinforced compression-resistant sewer pipe, which comprises an inner pipe body and an outer pipe body, wherein the outer pipe body is a cement mortar pipe body, and an internal reinforcing structure is formed between the inner pipe body and the outer pipe body; the internal reinforcing structure comprises a prestressed steel wire mesh surface and a foamed cement layer, the prestressed steel wire mesh surface is formed on the outer surface of the inner pipe body, the foamed cement layer is formed in a layered mode, nylon fiber cloth is formed between layers of the foamed cement layer and on the outermost side of the foamed cement layer, a glass fiber winding layer is formed on the surface of the nylon fiber cloth, and waterproof paint is coated on the surface of the nylon fiber cloth. The utility model discloses can effectively improve the firm degree in the inside of overall structure that interior body and outer body are constituteed to the realization is strengthened the whole of body, and improves whole prevention of seepage effect.

Description

Internal reinforced compression-resistant sewer pipeline

Technical Field

The utility model relates to a arrange defeated pipeline technical field among the municipal works construction field, concretely relates to inside resistance to compression type sewer line of strengthening.

Background

Municipal drainage pipes refer to rainwater and sewage pipelines under municipal roads, namely commonly called 'sewer pipelines', and are generally called municipal drainage pipes in engineering. Considering the diversion measure of rainwater and sewage in the municipal pipe network, namely that rainwater is generally discharged into rivers nearby and sewage is discharged into a sewage treatment plant, the municipal drainage pipe comprises two pipelines of rainwater and sewage.

However, whether the rainwater sewer pipe or the sewage sewer pipe is used, according to the construction current situation of domestic municipal roads, the mode of pre-burying the pipe is generally adopted, namely, when the road is constructed, the related sewage pipe, line pipe and the like need to be constructed firstly and then paved; the traditional municipal sewer pipeline is usually a PCV (positive pressure coefficient) pipe or a concrete pipe made of a single material, and a steel pipe and a glass fiber reinforced plastic pipeline are also adopted.

Among the most common concrete pipes, self-stressed reinforced concrete pipes and prestressed concrete pipes are mostly adopted, and the concrete pipes are provided with longitudinal and circumferential prestressed reinforcements, so that the concrete pipes have high crack resistance and impermeability, and are simple in manufacturing process and low in manufacturing cost; but has the defects that the concrete pipeline is easy to permeate after long-term use, so that the common quality phenomena of cracks, chaps and the like occur, the stability of the concrete pipeline is poor, and the strength is reduced; the PCV pipe has the weakest strength and pressure resistance, and is only suitable for being used as a shallow buried pipe; the steel pipe has high strength and good stability, but is not acid-resistant and alkali-resistant, and is easy to corrode and damage under the condition of long-term use; the FRP pipe has the characteristics of insulation, acid, alkali, salt corrosion resistance, static resistance, rust resistance, difficult aging, no toxicity, good bending elasticity and the like, but has the defects of poor rigidity and low structural strength, and the integrally formed FRP pipe has higher price and limits the application range of the FRP pipe.

In addition, the single material greatly limits the pressure resistance and the service life of the pipe. And the fog pipeline and the line pipeline are designed separately and constructed separately. Resulting in the need for repeated construction in the partially overlapping direction. The operation cost is increased, and the construction efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an inside resistance to compression type sewer pipe of strengthening to solve the defect in the above-mentioned technical background.

The utility model provides a technical problem adopt following technical scheme to realize:

an internally reinforced compression-resistant sewer pipeline comprises an inner pipe body and an outer pipe body, wherein the outer pipe body is a cement mortar pipe body, and an internal reinforcing structure is formed between the inner pipe body and the outer pipe body; the internal reinforcing structure comprises a prestressed steel wire mesh surface and a foamed cement layer, the prestressed steel wire mesh surface is formed on the outer surface of the inner pipe body, the foamed cement layer is formed in a layered mode, nylon fiber cloth is formed between layers of the foamed cement layer and on the outermost side of the foamed cement layer, a glass fiber winding layer is formed on the surface of the nylon fiber cloth, and waterproof paint is coated on the surface of the nylon fiber cloth.

As a further limitation, the inner pipe body is a concrete pipe body.

As a further limitation, the inner pipe body is a composite pipe body, and includes a concrete pipe body and a glass fiber reinforced plastic inner liner layer formed on the inner side of the concrete pipe body, a glass fiber wrapping layer is wrapped on the outer surface of the glass fiber reinforced plastic inner liner layer, and an epoxy resin filling layer or a phenolic resin filling layer is formed between the glass fiber reinforced plastic inner liner layer and the concrete pipe body.

The foamed cement layer is further limited to have 3-5 cement layers formed in a layered mode.

As a further limitation, the prestressed steel wire mesh surface is of a mesh surface hoop structure, meshes on the mesh surface hoop are rhombic meshes arranged along the length direction of the sewer pipeline, and the long diagonal of each rhombic mesh is parallel to the length direction of the sewer pipeline.

As a further limitation, the nylon fiber cloth and the glass fiber winding layer are a dipped nylon fiber cloth and a dipped glass fiber winding layer which are treated by epoxy resin dipping.

As further injects, the both ends of resistance to compression type sewer pipe are provided with assorted bayonet joint and accepts the head respectively, the bayonet joint with it welds with prestressing force wire net face to accept the inboard of head to outside is sealed fixed through cement mortar packing, the inboard shaping of bayonet joint has sealed draw-in groove, and the shaping has the sealing ring on the terminal surface of sealed draw-in groove inboard.

Has the advantages that: the utility model relates to an internally reinforced compression-resistant sewer pipe, which has compact structure and easy molding, improves the overall strength of a pipe body and the shock resistance protection of the side surface of the pipe body by combining a prestressed steel wire mesh surface with a foamed cement layer and a plurality of layers of nylon fiber cloth, enhances the internal shock resistance and the anti-deformation capacity of the molded pipe body, greatly slows down the generation and development rate of internal cracks of the pipe, and effectively prolongs the service life of the pipe body;

the multilayer forming structure of the foamed cement layer is matched with the porosity of the foamed cement to ensure that the foamed cement layer has low elastic modulus, thereby having good absorption and dispersion effects on impact load and relieving the influence of tangential force on the inner pipe body;

the arrangement of the rainwater pipe and the sewage pipe can be realized by matching different inner pipe bodies;

after the assembly is carried out through the plug-in connector and the adapter connector, the connection between the pipelines is more compact and stable, the sealing connection strength is greatly improved, and the leakage phenomenon is effectively avoided.

Drawings

Fig. 1 is a schematic sectional detail structure view of a tube according to a preferred embodiment of the present invention.

Wherein: 1. a cement mortar pipe body; 2. a glass fiber winding layer; 3. a foamed cement layer; 4. nylon fiber cloth; 5. a prestressed wire mesh surface; 6. a concrete pipe body; 7. a resin filling layer; 8. a glass fiber wrapping layer; 9. a glass fiber reinforced plastic inner liner.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Referring to fig. 1, a preferred embodiment of an internally reinforced compression-resistant sewer pipe includes an inner pipe body and an outer pipe body, which are concentrically arranged, the outer pipe body is a cement mortar pipe body 1 for external weighing and holding, a fiber water-blocking reinforced layer is formed in the cement mortar pipe body 1, a base material of the fiber water-blocking reinforced layer is nylon fiber cloth 4, a layer of glass fiber winding layer 2 is wrapped outside the nylon fiber cloth 4, both the nylon fiber cloth 4 and the glass fiber winding layer 2 in the fiber water-blocking reinforced layer are treated by epoxy resin dipping, and a waterproof coating is coated on the surface of the nylon fiber cloth 4.

And the inner side of the fiber water-blocking reinforced layer is formed with a foaming cement layer 3, the foaming cement layer 3 comprises three layers, the three foaming cement layers 3 are independently formed, namely the whole foaming cement layer 3 is formed by three times, and the fiber water-blocking reinforced layer comprising nylon fiber cloth 4 and a glass fiber winding layer 2 is also formed between the unit layers of the adjacent foaming cement layers 3. The inner side of the foaming cement layer 3 at the innermost layer is molded with a prestressed steel wire mesh surface 5, the foaming cement layer 3 and the prestressed steel wire mesh surface 5 jointly form an internal reinforcing structure of the pipe body, and the inner side of the prestressed steel wire mesh surface 5 is molded with an inner pipe body.

The prestressed steel wire mesh surface 5 is of a mesh surface hoop structure, meshes on the prestressed steel wire mesh surface 5 are rhombic meshes arranged along the length direction of the sewer pipe, and long diagonal lines of the rhombic meshes are parallel to the length direction of the sewer pipe; meanwhile, the prestressed steel wire mesh surface 5 extends out of the pipe body at two sides and is welded to the plug connector and the receiving connector at two sides respectively, the plug connector and the receiving connector are of matched opposite insertion structures, a sealing clamping groove is formed in the inner side of the plug connector, and a sealing ring is formed on the end face of the inner side of the sealing clamping groove.

The utility model discloses in, interior body can set up to concrete body or compound body to as rainwater water pipe and sewage water pipe respectively, and when just as rainwater water pipe, can also be used to carry out prevention of seepage water treatment at the internal surface of concrete body and improve its performance. And in this embodiment, interior body is the more complicated compound body of structure, and this compound body includes the concrete body 6 as the substrate, and the inboard shaping of this concrete body 6 has glass steel inner liner 9, and it has one deck glass fiber wrapping layer 8 to wrap on glass steel inner liner 9's the surface to the shaping has one deck epoxy filling layer 7 to carry out the filling shaping between glass fiber wrapping layer 8's surface and concrete body 8.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.

Claims (8)

1. The internally reinforced compression-resistant sewer pipe is characterized by comprising an inner pipe body and an outer pipe body, wherein the outer pipe body is a cement mortar pipe body, and an internal reinforcing structure is formed between the inner pipe body and the outer pipe body; the internal reinforcing structure comprises a prestressed steel wire mesh surface and a foamed cement layer, the prestressed steel wire mesh surface is formed on the outer surface of the inner pipe body, the foamed cement layer is formed in a layered mode, nylon fiber cloth is formed between layers of the foamed cement layer and on the outermost side of the foamed cement layer, a glass fiber winding layer is formed on the surface of the nylon fiber cloth, and waterproof paint is coated on the surface of the nylon fiber cloth.

2. The internally reinforced, crush-resistant sewer pipe of claim 1, wherein the inner pipe body is a concrete pipe body.

3. The internally reinforced, crush-resistant sewer pipe of claim 1, wherein the inner pipe is a composite pipe, and comprises a concrete pipe and a glass fiber reinforced plastic inner liner formed inside the concrete pipe, the outer surface of the glass fiber reinforced plastic inner liner is wrapped with a glass fiber wrapping layer, and an epoxy resin filling layer or a phenolic resin filling layer is formed between the glass fiber reinforced plastic inner liner and the concrete pipe.

4. The internally reinforced pressure-resistant sewer pipe according to claim 1, wherein the number of cement layers formed by layering in the foamed cement layer is 3-5.

5. The internally reinforced compression-resistant sewer pipe of claim 1, wherein the prestressed steel wire net surface is a net surface hoop structure, the net holes on the net surface hoop are rhombic net holes arranged along the length direction of the sewer pipe, and the long diagonal of the rhombic net holes is parallel to the length direction of the sewer pipe.

6. The internally reinforced pressure-resistant sewer pipe of claim 1, wherein the nylon fiber cloth and the glass fiber winding layer are impregnated nylon fiber cloth and impregnated glass fiber winding layer which are treated by epoxy resin impregnation.

7. The internally reinforced pressure-resistant sewer pipe of claim 1, wherein the two ends of the pressure-resistant sewer pipe are respectively provided with a matched plug and a matched socket, the plug and the socket are welded with the prestressed steel wire mesh surface on the inner side and are sealed and fixed on the outer side by filling cement mortar.

8. The internally reinforced pressure-resistant sewer pipe of claim 7, wherein a sealing groove is formed inside the plug, and a sealing ring is formed on an inner end surface of the sealing groove.

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